00568naa#a2200157#i#450# EN\\bibl\34731 20250502162944.5 2686-9896 20190415b2019####ek#y0engy0150####ca RU DIGITAL SUBSTATION - THE BASIC ELEMENT OF A DIGITAL ELECTRIC POWER SYSTEM Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2019 1 с. Journal article local Golovschikov Vladimir Olegovich angtu.editorum.ru